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I'm trying to figure out the cheapest possible hardware required for my servers.

The software is written in c++ and is highly efficient, the most computationally intensive thing it has to do is creating plain TAR files on the fly so the requirements are probably very low.. however, I still want to test this out since I'd be getting a whole bunch of these cheapo servers.

Is there any VM software or something else that would allow me to emulate low CPU/disk performance?

user81993
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    VirtualBox supports CPU capping. You can also try disabling the CPU cache and getting a super slow PC. – David Balažic Sep 02 '18 at 19:17
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    Possible duplicate of [How can I simulate a slow machine in a VM?](https://superuser.com/questions/297550/how-can-i-simulate-a-slow-machine-in-a-vm) – harrymc Sep 02 '18 at 19:53

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With PCem you can emulate a Pentium 233 Mhz with an IDE drive - if it is responsive on that, it would run great on the cheapest and most overprovisioned of the VPS

Or you could run it on an older computer of yours

Magnetic_dud
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  • It works great on the oldest computer I have but it has an e8400 which downclocked is still 4x more powerful than the atom/jaguar CPU's I'm considering :| – user81993 Sep 02 '18 at 19:08